Demountable wheel rim



Feb. 16, 1926.

. L, R. ROSENBAUM DEMOUNTABLE WHEEL RIM Filed Oct. 25. 1920 Lac and State of Wisconsin,

To all whom it may concern: Be it known that I, LEO R.

nno R. BOSENBAUM, or oAMPBELLsroR'r, WISCONSIN.

DEMOUNTABLE WHEEL RIM.

Application filed October 25, 1920. Serial No. 419,285.

RosENBAUM, a

citizen of the United States, residing at Campbellsport, in the county of Fond du have invented new and useful Improvements in Demountable lVheel Rims, of which the following is a specification.

This invention relates to demountable wheel rims for use upon motor vehicles and an object of the invention is to provide a rim of relatively great stability and one which may be quickly assembled and disassociated.

Another object of the invention is the provision of novel means for securely clamping the engaglng surfaces of a pair of rim sections, which sections are provided with cam surfaces or rings so that inassembling all parts will be moved into substantial relation.

Another feature of the invention is the adjustability of the tireclamping rings of the rim structure and their adjustable association with the other parts so that a tire can be'effectively gripped.

Other objects of the pear in the following invention will apdetailed description and in the accompanying drawings wherein:

Fig. 1 is a section through the rim showing it applied.

Fig. 2 is a fragmentary section through the rim.

Fig. 3 is a fragrmentar prises a pair 0 each of which y bottom plan of ticularly to the drawings, the improved demountable rim comf companion rings 2 and 3, is provided with a clincher flange 4 for engaging a tire as indicated at A. The rings 2 and 3 are provided with 00- acting inclined surfaces 5so as to increase the effective gripping of the rings when in applied position. 'To further assist in securely clamping the rings 2 and 3 .in tire engaging and carrying position, hooks 6 are provided connected to the inner sur circumferentially spaced The hooks 6 are provided the ring 2 at points thereon. with out out portion face of which have cam edges 8 adapted to co-act with pins 9 car- 8 are curved so that when the rings 2 and 3 are in co-operating relation, and the pawls 6 are swung into'locking position the cam edges; 8 riding over the undercut shoulders ll-will force the clincher flanges at towards each other and also force the inclined surfaces 5 into snug fit engagement causing the rings 2 and 3 to be brought into firm engagement, one with the other, andwith the tire A.

The ring '2 engages against the inclined flange 12, which is formed on the ring 13. The band 13 is permanently carried by a wheel felly B and co-acts with the clamping member 14.- which is of annular configuration and is bolted to the folly B as indicated at 15 and is provided with a wedge shaped annular projection 16 which engages between the rings 2' and 3 and the band 13 so that when adjusted the cam action of the projection 16 and the cam action of the flange 12 will co-act and rigidly hold the rings 2 and 3 against displacement.

From the foregoing description taken in connection with the accompanying drawing it will be apparent that I have providedv a demountable vehicle wheel rim of few parts substantially associated and capable of withstanding excessive strain and which may 7 be assembled or disassociated in a minimum amount of time. 7

UNITED STATES. PATE T ornc -l Y;

Having thus described my invention What I claim is:

In a tire rim, outer and inner sections disposed in overlapping relation, pins car- 5 ried by the outer section, the inner section having slots accommodating said pins, the pins having surfaces inclined inwardly of the pins from the outer ends thereof, and

hooks pivoted to the inner section and hav-' ing portions inclined similarly to and engaging with the inclined surfaces of said pins.

In testimony whereof I afiiX my signature.

LEO R. ROSENBAUM. 

